Air-brake coupling.



No. 813,390. K PATENTED FEB. 20, 1906. 11,11. SARTAIN AIR BRAKE COUPLING.

APPLICATION FILED JUNE 17, 1903.

hugs; and the object HERACLITUS HARRISON SARTAIN, BURROUGI-IS COVE, TENNESSEE.

AIR-BRAKE COUPLING.

Specification of Letters Patent.

Patented Feb. 20, 1906.

Application filed .Tune 17.1903. Serial No. 161,881.

To all whom it may concern.-

Be it known that I, HERAOLITUS HARRI- SON SARTAIN, a citizen of the United States, residing in Burroughs Cove, in the county of Grundy and State of Tennessee, have invented new and useful Improvements in Air- Brake Couplings, of which the following is a specification.

My invention relates to air-brake coupof the same is to produce a device of this character which will be simple in construction and efficient in operation, and one which will not be injured by the cars pulling apart, but at the same time will be air-tight and perfectly automatic, not requiring to be coupled by hand.

With this end in View I have designed the simple and novel construction which is fully described in this specification, claimed, and illustrated in the accompanying drawings, forming a part thereof, in Which- Figure 1 is a plan view of my complete device attached to two cars, which are shown in art. Fig. 2 is a box, showing the spring at hind part of box inside, and shows the two springs on each side of box, and shows the inside of valve and how it works. Fig. 3 is a square piece, showing the air-tube and how it goes through the funnel-shaped piece and horn-shaped piece, the valve and spring to pull it back when turned over by pin on the end of valve when it strikes against pin in box, and shows rubber pipe attached to one end used. as slack when said square piece is ut in box and pushed back against spring.

Like letters of reference designate like parts in the different views of the drawings.

The coupler-heads are alike and to letter one answers for both. Fig. 1 designates cars each equipped with members a of my coupling. These cars have an ordinary form of coupling :0, which my coupling-heads a swing underneath of same, and is connected to bottom face of cars, and a band of iron which goes around box e and is fastened to under side of cars, and at the rear part of box 6 there is a piece 0 fastened to under side of cars, and an air-pipe it goes through, which supports the coupler-heads a. Said couplerheads are made alike with a funnel-shaped piece a and a horn-shaped piece at with a ring of rubber 0 around horn-shaped piece a, so

when the two coupler-heads a come together and the horn-shaped piece goes into funnel-shaped piece and comes against couplerheads a, they close up and make an airtight joint, and the air passes through both of said pieces, and a screw 7 is screwed in box 6 near the front end and goes through and into slot q, that is put into coupler-heads a, and the lower end of screw slides back and forth in slot, so as to keep the coupler-heads from coming out of box 6 when the cars are apart.

A band of iron at is put around box e, so as to hold four springs f, as at Fig. 2, one on each side of box 6. If the coupler-heads do not strike center, they give to suit couplerheads a. At Fig. 2 is a spring 9 in box 6, which is loosely mounted on the air-pipe and butts against the end of coupler-heads a and against the end of box e, inside of-box 6, so as to make a tight joint, and piece .9 is put on box 6 and goes through piece 0. The air pipe passes through said piece and a nut or tap r is screwed on airpipe, so when said tap is pushed back from piece 0 said tap is used for a stop as it comes back against piece 0.

When the cars are uncoupled, so as to keep box 6 in place, apiece of rubber piping t is put on'air-pipe h to give slack. Valve 1) is placed in coupler-heads a near front end of box e with a pin at end of valve 0 to come against a pin 7c, that is put in box (2, so when the coupler-heads a are pushed back in box a the valve 41 is turned over and opens the airtube h, so when the cars are pulled apart the valve closes by means of a spring m, attached to the opposite end of valve e. To close it, one end of said spring that is fastened to valve 1), and the other end is fastened to horn-shaped piece of'coupler-heads a. Fig. 2 shows inside of valve 1;. It shows the way the valve turns in air-pipe. The hole Z is now out of alinement with the air-pipe, but when turned over it opens the air-tube w, as shown. The valve is put through airtube and a hole at l in valve 12, so in this way it is closed.

When the valve is turned over, the hole in valve is in alinement with air-pipe w. Fig. 3 illustrates one of my coupler-heads a before it is put in box a and shows the way the air-pipe it goes through the funnel and horn shaped pieces, how valve '0 is fitted, and how lever j strikes pin in box 6 when coupler-heads a are pushed back into box 6. The valve is turned over. Spring m pulls said valve back When not coupled, and it shows the air-pipe h to be forked, so the air passes through hornshaped piece n and funnel-shaped piece 1/. when valve is open. I do not wish to be limited as to details of construction, as this may ICO be modified in many particulars without departing from the spirit of my invention.

Having thus described my invention, what I do claim as my invention, and desire to'se- 5 cure by Letters Patent, is

In train-pipe couplings, the combination of square coupling members bars to receive said members and means to yieldingly fasten said bars at their rear ends to cars, means to 10 keep said coupling-heads from coming out of said bars when cars are uncoupled, train-pipes passing through said coupling heads and bars, valves in said pipes and independent yielding means for holding said valves in position, and means for train-pipe yielding when cars are coupled, substantially as described.

In testimony whereof I have signed my name to this specification in presence of two subscribing witnesses.

I-IERACLITUS HARRISON SARTAIN.

Witnesses:

JOHN SQRUGGS, W. B. ELLIsoN. 

